Okay, fun C question of the month to see if Mike is paying attention. I'm
getting a warning I've never seen in current svn:
BDSKTemplateDocument.m:1393: warning: operation on 'i' may be undefined
keys = [keys subarrayWithRange:NSMakeRange(++i, [keys count] - i)];
Is this because the second argument may use the previous value of i? A related
question that bothers me whenever I see it:
id obj;
while (i < 10)
obj = [array objectAtIndex:++i]; // and what about objectAtIndex:i++ ?
If I understand correctly, all side effects take place before a function is
called, so this should be safe...right? Af first glance, both situations seem
similar to the example in K&R:
printf("%d %d\n", ++n, power(2, n)); /* WRONG */
++n;
printf("%d %d\n", n, power(2,n));
or
a[i] = i++;
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